ts := newClientServerTest(t, mode, h).ts
			go proxy(t)
			c := ts.Client()
			c.Transport.(*Transport).Proxy = ProxyURL(pu)
			r, err := c.Head(ts.URL)
			if err != nil {
				t.Fatal(err)
			}
			if r.Header.Get(sentinelHeader) != sentinelValue {
				t.Errorf("Failed to retrieve sentinel value")
			}
			got := <-ch
			ts.Close()
			tsu, err := url.Parse(ts.URL)

	}

	switch mode {
	case http1Mode:
		cst.ts.Start()
	case https1Mode:
		cst.ts.StartTLS()
	case http2Mode:
		ExportHttp2ConfigureServer(cst.ts.Config, nil)
		cst.ts.TLS = cst.ts.Config.TLSConfig
		cst.ts.StartTLS()
	default:
		t.Fatalf("unknown test mode %v", mode)
	}
	cst.c = cst.ts.Client()
	cst.tr = cst.c.Transport.(*Transport)
	if mode == http2Mode {

	pthread_sigmask(SIG_SETMASK, &oset, nil);

	if (err != 0) {
		fatalf("pthread_create failed: %s", strerror(err));
	}
}

extern void crosscall1(void (*fn)(void), void (*setg_gcc)(void*), void *g);
static void*
threadentry(void *v)
{
	ThreadStart ts;

	ts = *(ThreadStart*)v;
	free(v);

	crosscall1(ts.fn, setg_gcc, (void*)ts.g);
	return nil;
}

void

static void*
threadentry(void *v)
{
	ThreadStart ts;

	ts = *(ThreadStart*)v;
	free(v);

#if TARGET_OS_IPHONE
	darwin_arm_init_thread_exception_port();
#endif

	crosscall1(ts.fn, setg_gcc, (void*)ts.g);
	return nil;
}

#if TARGET_OS_IPHONE

// init_working_dir sets the current working directory to the app root.
// By default ios/arm64 processes start in "/".
static void
init_working_dir()
{

// license that can be found in the LICENSE file.

//go:build unix || (js && wasm) || wasip1

package syscall

// TimespecToNsec returns the time stored in ts as nanoseconds.
func TimespecToNsec(ts Timespec) int64 { return ts.Nano() }

// NsecToTimespec converts a number of nanoseconds into a [Timespec].
func NsecToTimespec(nsec int64) Timespec {
	sec := nsec / 1e9
	nsec = nsec % 1e9
	if nsec < 0 {

			},
		},
	}
	for _, ts := range testCases {
		req, err := NewRequirement(ts.key, ts.operator, ts.values)
		if err != nil {
			t.Errorf("%s - Unable to create labels.Requirement", ts.name)
		}
		ts.sel = ts.sel.Add(*req)
		if !reflect.DeepEqual(ts.sel, ts.refSelector) {
			t.Errorf("%s - Expected %v found %v", ts.name, ts.refSelector, ts.sel)
		}
	}
}

			continue
		}
		if err := ts.processPod(p, importpaths); err != nil {
			return err
		}
	}

	metafilespath := filepath.Join(dir, coverage.MetaFilesFileName)
	if _, err := os.Stat(metafilespath); err == nil {
		if err := ts.readAuxMetaFiles(metafilespath, importpaths); err != nil {
			return err
		}
	}

	// Emit percent.
	if err := ts.cf.EmitPercent(w, cpkg, true, true); err != nil {

		APIPrefixes:          sets.NewString("api", "apis"),
		GrouplessAPIPrefixes: sets.NewString("api"),
	}
	ts := httptest.NewServer(WithRoutine(WithPanicRecovery(handler, resolver), func(_ *http.Request, _ *request.RequestInfo) bool { return true }))
	defer ts.Close()
	_, err := http.Get(ts.URL)
	if err == nil {
		t.Error("expected to receive an error")
	}

	klog.Flush()

	}

	// test server
	ts := httptest.NewUnstartedServer(WithPanicRecovery(handler, resolver))
	tsCert, err := tls.X509KeyPair(tsCrt, tsKey)
	if err != nil {
		t.Fatalf("backend: invalid x509/key pair: %v", err)
	}
	ts.TLS = &tls.Config{
		Certificates: []tls.Certificate{tsCert},
		NextProtos:   []string{http2.NextProtoTLS},
	}
	ts.StartTLS()
	defer ts.Close()

// Unix returns the time stored in ts as seconds plus nanoseconds.
func (ts *Timespec) Unix() (sec int64, nsec int64) {
	return int64(ts.Sec), int64(ts.Nsec)
}

// Unix returns the time stored in tv as seconds plus nanoseconds.
func (tv *Timeval) Unix() (sec int64, nsec int64) {
	return int64(tv.Sec), int64(tv.Usec) * 1000
}

// Nano returns the time stored in ts as nanoseconds.
func (ts *Timespec) Nano() int64 {